Adapting vp8_set_maps.c example to use new APIs.
Change-Id: Id6e6b5a96c907261abe4348624241b4568707c1d
This commit is contained in:
Dmitry Kovalev
parent
ea31368dab
commit
8837b022d9
@ -137,6 +137,10 @@ error_resilient.GUID = DF5837B9-4145-4F92-A031-44E4F832E00C
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error_resilient.DESCRIPTION = Error Resiliency Feature
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EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_set_maps.c
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vp8_set_maps.SRCS += ivfenc.h ivfenc.c
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vp8_set_maps.SRCS += tools_common.h tools_common.c
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vp8_set_maps.SRCS += video_common.h
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vp8_set_maps.SRCS += video_writer.h video_writer.c
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vp8_set_maps.GUID = ECB2D24D-98B8-4015-A465-A4AF3DCC145F
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vp8_set_maps.DESCRIPTION = VP8 set active and ROI maps
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EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8cx_set_ref.c
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@ -44,253 +44,197 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#define VPX_CODEC_DISABLE_COMPAT 1
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#include "vpx/vpx_encoder.h"
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#include "vpx/vp8cx.h"
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#define interface (vpx_codec_vp8_cx())
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#define fourcc 0x30385056
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#include "vpx/vpx_encoder.h"
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#define IVF_FILE_HDR_SZ (32)
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#define IVF_FRAME_HDR_SZ (12)
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#include "./tools_common.h"
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#include "./video_writer.h"
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static void mem_put_le16(char *mem, unsigned int val) {
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mem[0] = val;
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mem[1] = val>>8;
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static const char *exec_name;
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void usage_exit() {
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fprintf(stderr, "Usage: %s <width> <height> <infile> <outfile>\n", exec_name);
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exit(EXIT_FAILURE);
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}
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static void mem_put_le32(char *mem, unsigned int val) {
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mem[0] = val;
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mem[1] = val>>8;
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mem[2] = val>>16;
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mem[3] = val>>24;
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static void set_roi_map(const vpx_codec_enc_cfg_t *cfg,
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vpx_codec_ctx_t *codec) {
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int i;
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vpx_roi_map_t roi = {0};
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roi.rows = cfg->g_h / 16;
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roi.cols = cfg->g_w / 16;
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roi.delta_q[0] = 0;
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roi.delta_q[1] = -2;
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roi.delta_q[2] = -4;
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roi.delta_q[3] = -6;
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roi.delta_lf[0] = 0;
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roi.delta_lf[1] = 1;
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roi.delta_lf[2] = 2;
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roi.delta_lf[3] = 3;
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roi.static_threshold[0] = 1500;
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roi.static_threshold[1] = 1000;
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roi.static_threshold[2] = 500;
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roi.static_threshold[3] = 0;
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roi.roi_map = (uint8_t *)malloc(roi.rows * roi.cols);
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for (i = 0; i < roi.rows * roi.cols; ++i)
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roi.roi_map[i] = i % 4;
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if (vpx_codec_control(codec, VP8E_SET_ROI_MAP, &roi))
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die_codec(codec, "Failed to set ROI map");
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free(roi.roi_map);
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}
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static void die(const char *fmt, ...) {
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va_list ap;
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static void set_active_map(const vpx_codec_enc_cfg_t *cfg,
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vpx_codec_ctx_t *codec) {
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int i;
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vpx_active_map_t map = {0};
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va_start(ap, fmt);
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vprintf(fmt, ap);
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if(fmt[strlen(fmt)-1] != '\n')
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printf("\n");
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exit(EXIT_FAILURE);
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map.rows = cfg->g_h / 16;
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map.cols = cfg->g_w / 16;
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map.active_map = (uint8_t *)malloc(map.rows * map.cols);
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for (i = 0; i < map.rows * map.cols; ++i)
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map.active_map[i] = i % 2;
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if (vpx_codec_control(codec, VP8E_SET_ACTIVEMAP, &map))
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die_codec(codec, "Failed to set active map");
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free(map.active_map);
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}
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static void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
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const char *detail = vpx_codec_error_detail(ctx);
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static void unset_active_map(const vpx_codec_enc_cfg_t *cfg,
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vpx_codec_ctx_t *codec) {
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vpx_active_map_t map = {0};
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printf("%s: %s\n", s, vpx_codec_error(ctx));
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if(detail)
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printf(" %s\n",detail);
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exit(EXIT_FAILURE);
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map.rows = cfg->g_h / 16;
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map.cols = cfg->g_w / 16;
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map.active_map = NULL;
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if (vpx_codec_control(codec, VP8E_SET_ACTIVEMAP, &map))
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die_codec(codec, "Failed to set active map");
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}
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static int read_frame(FILE *f, vpx_image_t *img) {
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size_t nbytes, to_read;
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int res = 1;
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static void encode_frame(vpx_codec_ctx_t *codec,
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vpx_image_t *img,
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int frame_index,
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VpxVideoWriter *writer) {
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vpx_codec_iter_t iter = NULL;
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const vpx_codec_cx_pkt_t *pkt = NULL;
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const vpx_codec_err_t res = vpx_codec_encode(codec, img, frame_index, 1, 0,
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VPX_DL_GOOD_QUALITY);
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if (res != VPX_CODEC_OK)
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die_codec(codec, "Failed to encode frame");
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to_read = img->w*img->h*3/2;
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nbytes = fread(img->planes[0], 1, to_read, f);
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if(nbytes != to_read) {
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res = 0;
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if(nbytes > 0)
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printf("Warning: Read partial frame. Check your width & height!\n");
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while ((pkt = vpx_codec_get_cx_data(codec, &iter)) != NULL) {
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if (pkt->kind == VPX_CODEC_CX_FRAME_PKT) {
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const int keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY) != 0;
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if (!vpx_video_writer_write_frame(writer,
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pkt->data.frame.buf,
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pkt->data.frame.sz,
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pkt->data.frame.pts)) {
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die_codec(codec, "Failed to write compressed frame");
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}
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printf(keyframe ? "K" : ".");
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fflush(stdout);
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}
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return res;
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}
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static void write_ivf_file_header(FILE *outfile,
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const vpx_codec_enc_cfg_t *cfg,
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int frame_cnt) {
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char header[32];
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if(cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
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return;
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header[0] = 'D';
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header[1] = 'K';
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header[2] = 'I';
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header[3] = 'F';
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mem_put_le16(header+4, 0); /* version */
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mem_put_le16(header+6, 32); /* headersize */
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mem_put_le32(header+8, fourcc); /* headersize */
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mem_put_le16(header+12, cfg->g_w); /* width */
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mem_put_le16(header+14, cfg->g_h); /* height */
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mem_put_le32(header+16, cfg->g_timebase.den); /* rate */
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mem_put_le32(header+20, cfg->g_timebase.num); /* scale */
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mem_put_le32(header+24, frame_cnt); /* length */
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mem_put_le32(header+28, 0); /* unused */
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(void) fwrite(header, 1, 32, outfile);
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}
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static void write_ivf_frame_header(FILE *outfile,
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const vpx_codec_cx_pkt_t *pkt)
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{
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char header[12];
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vpx_codec_pts_t pts;
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if(pkt->kind != VPX_CODEC_CX_FRAME_PKT)
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return;
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pts = pkt->data.frame.pts;
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mem_put_le32(header, pkt->data.frame.sz);
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mem_put_le32(header+4, pts&0xFFFFFFFF);
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mem_put_le32(header+8, pts >> 32);
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(void) fwrite(header, 1, 12, outfile);
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}
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}
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int main(int argc, char **argv) {
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FILE *infile, *outfile;
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vpx_codec_ctx_t codec;
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vpx_codec_enc_cfg_t cfg;
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int frame_cnt = 0;
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vpx_image_t raw;
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vpx_codec_err_t res;
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long width;
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long height;
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int frame_avail;
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int got_data;
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int flags = 0;
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FILE *infile = NULL;
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vpx_codec_ctx_t codec = {0};
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vpx_codec_enc_cfg_t cfg = {0};
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int frame_count = 0;
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vpx_image_t raw = {0};
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vpx_codec_err_t res;
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VpxVideoInfo info = {0};
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VpxVideoWriter *writer = NULL;
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const VpxInterface *encoder = NULL;
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const int fps = 2; // TODO(dkovalev) add command line argument
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const int bitrate = 200; // kbit/s TODO(dkovalev) add command line argument
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/* Open files */
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if(argc!=5)
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die("Usage: %s <width> <height> <infile> <outfile>\n", argv[0]);
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width = strtol(argv[1], NULL, 0);
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height = strtol(argv[2], NULL, 0);
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if(width < 16 || width%2 || height <16 || height%2)
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die("Invalid resolution: %ldx%ld", width, height);
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if(!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, width, height, 1))
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die("Faile to allocate image", width, height);
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if(!(outfile = fopen(argv[4], "wb")))
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die("Failed to open %s for writing", argv[4]);
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exec_name = argv[0];
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printf("Using %s\n",vpx_codec_iface_name(interface));
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if (argc != 5)
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die("Invalid number of arguments");
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/* Populate encoder configuration */
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res = vpx_codec_enc_config_default(interface, &cfg, 0);
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if(res) {
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printf("Failed to get config: %s\n", vpx_codec_err_to_string(res));
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return EXIT_FAILURE;
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encoder = get_vpx_encoder_by_name("vp8"); // only vp8 for now
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if (!encoder)
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die("Unsupported codec.");
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info.codec_fourcc = encoder->fourcc;
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info.frame_width = strtol(argv[1], NULL, 0);
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info.frame_height = strtol(argv[2], NULL, 0);
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info.time_base.numerator = 1;
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info.time_base.denominator = fps;
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if (info.frame_width <= 0 ||
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info.frame_height <= 0 ||
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(info.frame_width % 2) != 0 ||
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(info.frame_height % 2) != 0) {
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die("Invalid frame size: %dx%d", info.frame_width, info.frame_height);
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}
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if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, info.frame_width,
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info.frame_height, 1)) {
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die("Failed to allocate image.");
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}
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printf("Using %s\n", vpx_codec_iface_name(encoder->interface()));
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res = vpx_codec_enc_config_default(encoder->interface(), &cfg, 0);
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if (res)
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die_codec(&codec, "Failed to get default codec config.");
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cfg.g_w = info.frame_width;
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cfg.g_h = info.frame_height;
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cfg.g_timebase.num = info.time_base.numerator;
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cfg.g_timebase.den = info.time_base.denominator;
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cfg.rc_target_bitrate = bitrate;
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writer = vpx_video_writer_open(argv[4], kContainerIVF, &info);
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if (!writer)
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die("Failed to open %s for writing.", argv[4]);
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if (!(infile = fopen(argv[3], "rb")))
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die("Failed to open %s for reading.", argv[3]);
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if (vpx_codec_enc_init(&codec, encoder->interface(), &cfg, 0))
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die_codec(&codec, "Failed to initialize encoder");
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while (vpx_img_read(&raw, infile)) {
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++frame_count;
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if (frame_count == 22) {
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set_roi_map(&cfg, &codec);
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} else if (frame_count == 33) {
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set_active_map(&cfg, &codec);
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} else if (frame_count == 44) {
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unset_active_map(&cfg, &codec);
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}
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/* Update the default configuration with our settings */
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cfg.rc_target_bitrate = width * height * cfg.rc_target_bitrate
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/ cfg.g_w / cfg.g_h;
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cfg.g_w = width;
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cfg.g_h = height;
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encode_frame(&codec, &raw, frame_count, writer);
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}
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encode_frame(&codec, NULL, -1, writer);
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printf("\n");
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fclose(infile);
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printf("Processed %d frames.\n", frame_count);
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write_ivf_file_header(outfile, &cfg, 0);
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vpx_img_free(&raw);
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if (vpx_codec_destroy(&codec))
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die_codec(&codec, "Failed to destroy codec.");
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vpx_video_writer_close(writer);
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/* Open input file for this encoding pass */
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if(!(infile = fopen(argv[3], "rb")))
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die("Failed to open %s for reading", argv[3]);
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/* Initialize codec */
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if(vpx_codec_enc_init(&codec, interface, &cfg, 0))
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die_codec(&codec, "Failed to initialize encoder");
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frame_avail = 1;
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got_data = 0;
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while(frame_avail || got_data) {
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vpx_codec_iter_t iter = NULL;
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const vpx_codec_cx_pkt_t *pkt;
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if(frame_cnt + 1 == 22) {
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vpx_roi_map_t roi;
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unsigned int i;
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roi.rows = cfg.g_h/16;
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roi.cols = cfg.g_w/16;
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roi.delta_q[0] = 0;
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roi.delta_q[1] = -2;
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roi.delta_q[2] = -4;
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roi.delta_q[3] = -6;
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roi.delta_lf[0] = 0;
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roi.delta_lf[1] = 1;
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roi.delta_lf[2] = 2;
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roi.delta_lf[3] = 3;
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roi.static_threshold[0] = 1500;
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roi.static_threshold[1] = 1000;
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roi.static_threshold[2] = 500;
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roi.static_threshold[3] = 0;
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/* generate an ROI map for example */
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roi.roi_map = malloc(roi.rows * roi.cols);
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for(i=0;i<roi.rows*roi.cols;i++)
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roi.roi_map[i] = i & 3;
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if(vpx_codec_control(&codec, VP8E_SET_ROI_MAP, &roi))
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die_codec(&codec, "Failed to set ROI map");
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free(roi.roi_map);
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} else if(frame_cnt + 1 == 33) {
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vpx_active_map_t active;
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unsigned int i;
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active.rows = cfg.g_h/16;
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active.cols = cfg.g_w/16;
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/* generate active map for example */
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active.active_map = malloc(active.rows * active.cols);
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for(i=0;i<active.rows*active.cols;i++)
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active.active_map[i] = i & 1;
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if(vpx_codec_control(&codec, VP8E_SET_ACTIVEMAP, &active))
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die_codec(&codec, "Failed to set active map");
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free(active.active_map);
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} else if(frame_cnt + 1 == 44) {
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vpx_active_map_t active;
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active.rows = cfg.g_h/16;
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active.cols = cfg.g_w/16;
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/* pass in null map to disable active_map*/
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active.active_map = NULL;
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if(vpx_codec_control(&codec, VP8E_SET_ACTIVEMAP, &active))
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die_codec(&codec, "Failed to set active map");
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}
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frame_avail = read_frame(infile, &raw);
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if(vpx_codec_encode(&codec, frame_avail? &raw : NULL, frame_cnt,
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1, flags, VPX_DL_REALTIME))
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die_codec(&codec, "Failed to encode frame");
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got_data = 0;
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while( (pkt = vpx_codec_get_cx_data(&codec, &iter)) ) {
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got_data = 1;
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switch(pkt->kind) {
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case VPX_CODEC_CX_FRAME_PKT:
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write_ivf_frame_header(outfile, pkt);
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(void) fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz,
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outfile);
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break;
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default:
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break;
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}
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printf(pkt->kind == VPX_CODEC_CX_FRAME_PKT
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&& (pkt->data.frame.flags & VPX_FRAME_IS_KEY)? "K":".");
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fflush(stdout);
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}
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frame_cnt++;
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}
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printf("\n");
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fclose(infile);
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printf("Processed %d frames.\n",frame_cnt-1);
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vpx_img_free(&raw);
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if(vpx_codec_destroy(&codec))
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die_codec(&codec, "Failed to destroy codec");
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/* Try to rewrite the file header with the actual frame count */
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if(!fseek(outfile, 0, SEEK_SET))
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write_ivf_file_header(outfile, &cfg, frame_cnt-1);
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fclose(outfile);
|
||||
return EXIT_SUCCESS;
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
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Reference in New Issue
Block a user